Rock Falls zip code
Zip code in Rock Falls, IL
The location Rock Falls belongs to Whiteside County, state of Illinois. Rock Falls has been assigned with the zip code 61071.
Rock Falls is the official name of the location so if you want to use the US Postal Service you must use that name.
| Zip code | Type | Population |
|---|---|---|
| 61071 | STANDARD | 11,860 |
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